/* === responsive.css — 响应式断点 + 增强动画 === */
/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .main-layout { grid-template-columns: 1fr; }
  .badge-grid { grid-template-columns: repeat(2, 1fr); }
  .can-toolbar-grid,
  .can-toolbar-foot,
  .can-editor-layout { grid-template-columns: 1fr; }
  .message-list {
    max-height: 420px;
  }
  .can-meta-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { padding: 16px; }
  .header-bar { flex-direction: column; align-items: flex-start; }
  .badge-grid, .metric-grid { grid-template-columns: 1fr; }
  .status-kv-grid, .status-task-meta { grid-template-columns: 1fr; }
  .can-grid { grid-template-columns: 1fr 1fr; }
  .btn-row { flex-direction: column; }
  .can-meta-grid { grid-template-columns: 1fr; }
  .can-launch-top,
  .can-launch-actions,
  .can-launch-foot {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }
  .can-selection-bar,
  .can-selection-actions,
  .history-item-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .can-title {
    font-size: 22px;
  }
  .can-frame-hex {
    font-size: 15px;
  }
  .message-table,
  .signal-table {
    min-width: 980px;
  }
}



/* ===== ENHANCED ANIMATIONS (v20260625b) ===== */

/* Global keyframes */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes popIn {
  0%   { opacity: 0; transform: scale(.85); }
  60%  { opacity: 1; transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes ringPulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,211,238,.55); }
  70%  { box-shadow: 0 0 0 10px rgba(34,211,238,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-4px); }
  40%      { transform: translateX(4px); }
  60%      { transform: translateX(-3px); }
  80%      { transform: translateX(3px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
@keyframes glowBreath {
  0%, 100% { box-shadow: 0 0 8px var(--accent-dim); }
  50%      { box-shadow: 0 0 18px rgba(34,211,238,.45); }
}
@keyframes flowDash {
  to { background-position: 200% 0; }
}

/* Page entrance — header + cards staggered */
.header-bar { animation: fadeInUp .45s ease both; }
.main-layout > div > .card { animation: fadeInUp .5s ease both; }
.main-layout > div:nth-child(1) > .card:nth-child(1) { animation-delay: .05s; }
.main-layout > div:nth-child(1) > .card:nth-child(2) { animation-delay: .12s; }
.main-layout > div:nth-child(1) > .card:nth-child(3) { animation-delay: .19s; }
.main-layout > div:nth-child(1) > .card:nth-child(4) { animation-delay: .26s; }
.main-layout > div:nth-child(2) > .card:nth-child(1) { animation-delay: .08s; }
.main-layout > div:nth-child(2) > .card:nth-child(2) { animation-delay: .15s; }
.main-layout > div:nth-child(2) > .card:nth-child(3) { animation-delay: .22s; }
.main-layout > div:nth-child(2) > .card:nth-child(4) { animation-delay: .29s; }

/* Card hover — lift + glow */
.card {
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(34,211,238,.28);
  box-shadow: 0 10px 28px rgba(0,0,0,.35), 0 0 0 1px rgba(34,211,238,.08);
}

/* Brand dot — gentle ring pulse */
.header-brand .dot-mark {
  animation: ringPulse 2.2s ease-out infinite, glowBreath 3.6s ease-in-out infinite;
}

/* Pills — subtle hover */
.pill { transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.pill:hover { transform: translateY(-1px); border-color: rgba(34,211,238,.3); }

/* Button — press + sheen on hover for primary */
.btn { position: relative; overflow: hidden; }
.btn:active:not(:disabled) { transform: translateY(0) scale(.97); transition: transform .08s ease; }
.btn-primary::before,
.btn-success::before,
.btn-danger::before {
  content: "";
  position: absolute; top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg);
  transition: left .55s ease;
  pointer-events: none;
}
.btn-primary:hover:not(:disabled)::before,
.btn-success:hover:not(:disabled)::before,
.btn-danger:hover:not(:disabled)::before {
  left: 130%;
}

/* Upload zone — drag pulse + icon float */
.upload-zone { transition: border-color .2s, background .2s, transform .2s; }
.upload-zone:hover { transform: translateY(-1px); }
.upload-zone .upload-ico {
  display: inline-block;
  transition: transform .25s ease;
}
.upload-zone:hover .upload-ico { animation: floatY 1.6s ease-in-out infinite; }
.upload-zone.dragover { animation: ringPulse 1.2s ease-out infinite; }

/* File info appearance */
.file-info.show { animation: fadeInUp .3s ease both; }

/* Progress bar — striped flow on active */
.progress-fill {
  background-image:
    linear-gradient(90deg, #22d3ee, #06b6d4),
    repeating-linear-gradient(45deg,
      rgba(255,255,255,.18) 0 10px,
      rgba(255,255,255,0) 10px 20px);
  background-size: 100% 100%, 200% 100%;
  background-blend-mode: normal, overlay;
  animation: flowDash 1.4s linear infinite;
}
.progress-fill.done { animation: none; }

/* Phase step capsule — pop when becoming active/done */
.pp-step.active,
.pp-step.done { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }

/* Stage flow — connector grow + dot pop */
.stage-node:not(:last-child)::after {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 50%, var(--border) 50%, var(--border) 100%);
  background-size: 200% 100%;
  background-position: 100% 0;
  transition: background-position .5s ease;
}
.stage-node.done:not(:last-child)::after,
.stage-node.live:not(:last-child)::after {
  background-position: 0% 0;
}
.stage-dot { transition: transform .3s ease, background .3s, border-color .3s, color .3s, box-shadow .3s; }
.stage-node.live .stage-dot {
  animation: ringPulse 1.6s ease-out infinite;
}
.stage-node.done .stage-dot { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }
.stage-node.err  .stage-dot { animation: shake .4s ease both; }

/* Stage status bar — slide in when state changes */
.stage-status-bar.active,
.stage-status-bar.ok,
.stage-status-bar.err { animation: fadeInUp .3s ease both; }

/* Stage result panel */
.stage-result { animation: popIn .4s cubic-bezier(.4,1.4,.5,1) both; }

/* Metric / badge values — number tick highlight */
.metric .v,
.badge-stat .v {
  transition: color .3s ease, transform .3s ease;
}
.metric:hover,
.badge-stat:hover {
  border-color: rgba(34,211,238,.25);
  transition: border-color .25s ease;
}

/* Conn indicator — light ring pulse when warn */
.conn-indicator { transition: background .25s ease, border-color .25s ease; }
.conn-indicator.warn .light { animation: ringPulse 1.4s ease-out infinite; }
.conn-indicator.ok   .light { animation: glowBreath 3s ease-in-out infinite; }

/* Heap / task bars — sheen */
.heap-bar-track,
.status-task-bar { position: relative; overflow: hidden; }
.heap-bar-track::after,
.status-task-bar::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: shimmer 2.6s linear infinite;
  background-size: 200% 100%;
  pointer-events: none;
}
.heap-bar-fill,
.status-task-bar-fill { transition: width .6s cubic-bezier(.4,0,.2,1); }

/* Log lines — fresh entry fade-in */
.log-line { animation: fadeIn .25s ease both; }

/* Toast — pop and float */
.toast.show { animation: popIn .35s cubic-bezier(.4,1.4,.5,1) both; }

/* Reduced motion — respect user preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}